Trichomanes cristatum

Description

This species has the following characteristics: A long rhizome tracing and filiform of brown-dark to black color; Fronds of variable length, but may exceed 30 cm; A regular limb, lanceolate, segmented once; The sores are mostly situated on the segments at the extremity of the limbus, at the rate of two to three per segment and at its apex; Each sore bears a very long, dark columella; the indusium is tubular.